The Fed's Powell imposed sweeping personal-investing restrictions on senior officials in a bid to address a stock-trading controversy that prompted the resignation of two reserve bank presidents and hurt his prospects of being reappointed to lead the central bank.

Facebook is struggling to detect and deal with users' creating multiple accounts on its flagship platform, according to internal documents that raise new questions about how it measures its audience.

Facebook's oversight board said the company hadn't been forthcoming about how it exempts high-profile users from its rules.

Dollar-bond defaults from Chinese property developers are rising quickly as China's housing market slumps, and the problem could worsen.

Snap said it expects growth to slow in the current quarter due to recent changes to Apple's App Store privacy rules, sending its stock down 22% after hours.

The S&P 500 rose 0.3% to close at a record, while the Nasdaq gained 0.6%. The Dow slipped 0.02%.

Investors piled into shares of the special-purpose acquisition company taking Trump's new social-media platform public.

Western Digital's talks to merge with Japanese chip maker Kioxia Holdings in a $20 billion-plus deal have stalled.

(END) Dow Jones Newswires

10-21-21 2313ET